Panasonic KX-A145 Series, Service Manual

Page: 52 / 97

Items Adjustment
Point
Procedure Check or
Replace Parts
(H)* Transmitted Power
Confirmation
TP15 Remove the Antenna before starting step from 1 to 5.
1.
Configure the DECT tester(CMD60) as follows;
<Setting>
· Test mode: PP
· RFPI: 0102030405
·
Traffic Channel: 5
· Traffic Slot: 4
·
Mode: Loopback
2. Execute the command "testmode".
3. Execute the command "regcmd60"
4. Initiate connection from DECT tester.
5. Confirm that the NTP value at A201 (TP15) is 20dBm ~ 25dBm
IC1,IC10,
R410,L5,
C111,C422,
C423,C405,
R411,C408,
C409,C401,
C402,C403
(I) Modulatoin Check and
Adjusment
TP15 Follow steps 1 to 4 of (H) above.
5.Confirm that the B-Field Modulation is 340kHz/div ~ 402kHz/div using data
type Fig31.
6.Adjust the B-Field Modulation if required. (Execute the command "Readmod"
and "Writemod xx", where xx is the value.)
IC1,IC10,
R410,L5,
C111,C422,
C423,C405,
R411,C408,
C409,C401,
C402,C403
(J) Frequency Offset
Confirmation
- Follow steps 1 to 4 of (H) above.
5.Confirm that the frequency offset is < ± 40kHz.
IC1,IC10,
R410,L5,
C111,C422,
C423,C405,
R411,C408,
C409,C401,
C402,C403
(K) Sensitivity Receiver
Confirmation
- Follow steps 1 to 4 of (H) above.
5.Set DECT tester power to -88dBm.
6.Confirm that the BER is < 1000ppm.
IC1,IC10,
R410,L5,
C111,C422,
C423,C405,
R411,C408,
C409,C401,
C402,C403
(L) Timing Confirmation - Follow steps 1 to 4 of (H) above.
5.Confirm that the Timing accuracy is < ± 10ppm.
IC1,IC10,
R410,L5,
C111,C422,
C423,C405,
R411,C408,
C409,C401,
C402,C403
(M)* RSSI Level
Confirmation
- Follow steps 1 to 4 of (H) above.
5.Set DECT tester power to -88dBm.
6.Execute the command "readrssi"
7.Confirm: 23 < returned value < 45 (hex).
IC1,IC10,
R410,L5,
C111,C422,
C423,C405,
R411,C408,
C409,C401,
C402,C403
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KX-TCD450RUM / KX-A145RUM / KX-TCD450R UT / KX-A145RUT